FR2071226A5 - - Google Patents

Info

Publication number
FR2071226A5
FR2071226A5 FR6944396A FR6944396A FR2071226A5 FR 2071226 A5 FR2071226 A5 FR 2071226A5 FR 6944396 A FR6944396 A FR 6944396A FR 6944396 A FR6944396 A FR 6944396A FR 2071226 A5 FR2071226 A5 FR 2071226A5
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR6944396A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rock Fall Co Ltd
Original Assignee
Rock Fall Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rock Fall Co Ltd filed Critical Rock Fall Co Ltd
Priority to FR6944396A priority Critical patent/FR2071226A5/fr
Application granted granted Critical
Publication of FR2071226A5 publication Critical patent/FR2071226A5/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR6944396A 1969-12-22 1969-12-22 Expired FR2071226A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6944396A FR2071226A5 (en) 1969-12-22 1969-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6944396A FR2071226A5 (en) 1969-12-22 1969-12-22

Publications (1)

Publication Number Publication Date
FR2071226A5 true FR2071226A5 (en) 1971-09-17

Family

ID=9044959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6944396A Expired FR2071226A5 (en) 1969-12-22 1969-12-22

Country Status (1)

Country Link
FR (1) FR2071226A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285497A1 (en) * 1974-09-17 1976-04-16 Tidril Corp DRILLING PROCESS FOLLOWING A CURVED TRAJECTORY PASSING UNDER AN OBSTACLE
FR2459356A1 (en) * 1979-06-16 1981-01-09 Klemm Bohrtech Overlay borehole hammer drill - has independent rotary drives for inner and outer tubes on feed assembly (BE 15.12.80) (BE 15.12.80)
EP0583650A1 (en) * 1992-07-28 1994-02-23 Beb Erdgas Und Erdöl Gmbh Method and device for underground introduction of long transport pipes into the earth

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285497A1 (en) * 1974-09-17 1976-04-16 Tidril Corp DRILLING PROCESS FOLLOWING A CURVED TRAJECTORY PASSING UNDER AN OBSTACLE
FR2459356A1 (en) * 1979-06-16 1981-01-09 Klemm Bohrtech Overlay borehole hammer drill - has independent rotary drives for inner and outer tubes on feed assembly (BE 15.12.80) (BE 15.12.80)
EP0583650A1 (en) * 1992-07-28 1994-02-23 Beb Erdgas Und Erdöl Gmbh Method and device for underground introduction of long transport pipes into the earth

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Legal Events

Date Code Title Description
ST Notification of lapse